0610 IGCSE Biology
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PAPER-4-TOPIC-WISE-SOLVED-PAST PAPERS / 5-ENZYMES
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IGCSE Biology Worksheets with Answers Paper 4 Enzymes

IGCSE Biology Solved Past Papers
1-CHARACTERISTICS OF LIVING ORGANISMS
1.1
Birds-Binomial system-Conservation.pdf Locked
1.2
Characteristics of living organisms.pdf Locked
1.3
Mammals.pdf Locked
1.4.1
Arthropods.pdf Locked
1.4.2
Arthropods.pdf Locked
1.5
Vertebrates.pdf Locked
1.6
Myriapod.pdf Locked
1.7
Birds.pdf Locked
1.8
Amphibians.pdf Locked
1.9
Dicotyledonous flower.pdf Locked
1.10
Fungus.pdf Locked
1.11
Annelids.pdf Locked
1.12
Fungi.pdf Locked
1.13
Virus.pdf Locked
1.14
Binomial system.pdf Locked
1.15
Dicotyledonous plant.pdf Locked
1.16
Mammals.pdf Locked
1.17
Mollusc.pdf Locked
1.18
Mollusc.pdf Locked
2-ORGANISATION OF THE ORGANISM
2.1
Cell-Features-Functions.pdf Locked
2.2
Magnification.pdf Locked
2.3
Function of water in plants.pdf Locked
2.5
Cells-Functions.pdf Locked
2.8
Root-Starch -Enzymes.pdf Locked
2.9
Bacterial cell.pdf Locked
3-MOVEMENT IN AND OUT OF CELLS
3.1
Salty water-Plants.pdf Locked
3.2
Osmosis.pdf Locked
3.3
Absorption of ions by root hair cells.pdf Locked
3.4
Absorption of water.pdf Locked
3.5
Movement of ions across cell membranes.pdf Locked
3.6
Absorption of water.pdf Locked
3.7
Absorption of ions.pdf Locked
3.8
Villi-Absorption.pdf Locked
3.9
Active transport.pdf Locked
4-BIOLOGICAL MOLECULES
4.1.1
Protein synthesis.pdf Locked
4.1.2
Protein synthesis.pdf Locked
4.2
DNA-Structure-Functions-Barcoding.pdf Locked
4.3
DNA-Base sequences.pdf Locked
5-ENZYMES
5.1
Enzyme graphs.pdf Locked
5.2
Interpreting enzyme graphs.pdf Locked
5.3
Define catalyst-Enzyme graphs.pdf Locked
5.4
Enzyme graphs.pdf Locked
5.5
Advantage-Disadvantage of hormones.pdf Locked
5.6
Enzyme-Graph.pdf Locked
6-PLANT NUTRITION
6.1
Nitrate-Magnesium ions-Functions.pdf Locked
Structure of a leaf.pdf Locked
6.2
Photosynthesis-Equation-Effect of light Intensity.pdf Locked
Stomata-Guard cells-Photosynthesis.pdf Locked
6.3
Cell structure and functions.pdf Locked
Structure of leaf-Number of chloroplasts.pdf Locked
6.4
Labelling different internal parts of a leaf.pdf Locked
6.5
Photosynthesis Equation-Limiting factor.pdf Locked
6.6
Deficiency-Magnesium and nitrate ions.pdf Locked
6.7
Nitrate-Magnesium ions-Functions.pdf Locked
7-ANIMAL NUTRITION
7.1
Role of nutrients.pdf Locked
7.2
Role of enzymes in protein digestion.pdf Locked
7.3
Absorption of lactose by small intestine.pdf Locked
7.4
Diarrhoea.pdf Locked
7.5
Graph.pdf Locked
7.7
Balanced diet-Definition.pdf Locked
7.7.1
Balanced diet-Definition.pdf Locked
7.8
Action of food on molar teeth.pdf Locked
7.9
Iron deficiency.pdf Locked
7.10
Alimentary canal-Parts-Functions.pdf Locked
Chemical-Mechanical digestion.pdf Locked
7.10.1
Label-Parts of digestive system.pdf Locked
7.11
Effect of gallstones on fat digestion.pdf Locked
7.12
Effect of cholestrol on coronary arteries.pdf Locked
7.13
Peristalsis.pdf Locked
7.14.1
Microvilli-Alimentary canal.pdf Locked
7.14.2
Villi.pdf Locked
7.14.2.1
Villi.pdf Locked
7.15.1
Bacteria-Cholera.pdf Locked
7.15.2
Cholera.pdf Locked
7.16.1
Marasmus.pdf Locked
7.16.2
Interpreting marasmus graph.pdf Locked
7.17.1
Interpreting pie graphs.pdf Locked
7.18.1
Tooth decay-Fluoride.pdf Locked
7.18.2
Tooth decay-Fluoride.pdf Locked
7.18.3
Tooth decay.pdf Locked
7.18.4
Tooth decay.pdf Locked
7.18.5
Sugar and teeth decay.pdf Locked
7.18.6
Tooth and decay.pdf Locked
7.18.7
Fluoride.pdf Locked
7.19.1
Salivary glands.pdf Locked
7.21.1
Emulsification of fats.pdf Locked
7.22.1
Deamination.pdf Locked
8-TRANSPORT IN PLANTS
8.1
Transpiration-definition.pdf Locked
8.2
Transport in plants.pdf Locked
8.3
Structure of xylem-wilting.pdf Locked
9-TRANSPORT IN ANIMALS
9.1
Blood clotting.pdf Locked
9.2
Blood clotting.pdf Locked
9.3
Antibodies.pdf Locked
9.4
Clotting.pdf Locked
9.5
Identifying cells and functions.pdf Locked
9.6
Tissue rejection.pdf Locked
9.7
Lymphatic system.pdf Locked
9.8
Heart and its working.pdf Locked
Immune response.pdf Locked
9.10
RBC_Blood platelets.pdf Locked
9.11
Coronary heart disease-Working of heart.pdf Locked
Coronary heart disease-Working of heart (1).pdf Locked
9.12
Heart beat.pdf Locked
9.13
Lymph nodes-Lacteals.pdf Locked
9.14
Features of veins.pdf Locked
9.15
Coronary arteries-CHD.pdf Locked
9.16
Heart Lung Machine.pdf Locked
9.17
Structure of arteries.pdf Locked
9.18
Systemic circulation.pdf Locked
9.19
Lymphocytes-Platelets-Immune response.pdf Locked
10-DISEASE AND IMMUNITY
11-GAS EXCHANGE IN HUMANS
11.3
Bronchus -Goblet cells-Alveoli.pdf Locked
11.4
Features-gas exchange surface.pdf Locked
12-RESPIRATION
12.1
Respiration and exercise.pdf Locked
12.2
Sprinter-Aerobic respiration.pdf Locked
12.3
Anaerobic respiration.pdf Locked
12.4
Exercise-Pulse rate-Glucose.pdf Locked
12.5
Exercise-Lactic acid graph.pdf Locked
13-EXCRETION IN HUMANS
13.2
Calculation.pdf Locked
13.3
Functions of diff parts of kidney.pdf Locked
13.4
Labelling parts of a kidney.pdf Locked
13.5
Role of kidney in excretion.pdf Locked
13.6
Nephron-Structure-Function.pdf Locked
13.7
Ultrafiltration-Selective reabsorption.pdf Locked
13.8
Contents of urine.pdf Locked
13.9
Dialysis.pdf Locked
13.10
Filtration by kidney.pdf Locked
13.11
Role of liver in excretion.pdf Locked
13.12
Reabsorption of water.pdf Locked
13.13
Excretion-Dialysis.pdf Locked
13.14
Dialysis graph.pdf Locked
13.15
Excretion-Kidney tubule.pdf Locked
13.16
Excretion by kidneys.pdf Locked
13.17
Excretion-Lungs-Kidneys.pdf Locked
14-COORDINATION AND RESPONSE
14.1
Eyes-Light intensity.pdf Locked
14.2
Homeostasis-Glucose.pdf Locked
14.2.1
Homeostasis-Glucose.pdf Locked
14.3
Eyes.pdf Locked
14.3.1
Eyes-Rods-Cones.pdf Locked
14.3.2
Eyes-Rods-Cones.pdf Locked
14.4
Voluntary-Involuntary.pdf Locked
14.5
Effectors-Neurons.pdf Locked
14.6
Phototropism.pdf Locked
14.7
Homeostasis-Glucose.pdf Locked
14.8
Sensitivity-Involuntary action.pdf Locked
14.9
Reflex arc.pdf Locked
14.10
Homeostasis-Sweating.pdf Locked
14.11
Phototropism.pdf Locked
14.12
Phototropism.pdf Locked
14.13
Homeostasis-Graph.pdf Locked
14.14
Homeostasis-Role of insulin.pdf Locked
15-DISEASE AND IMMUNITY
15.2
Immunity.pdf Locked
16-REPRODUCTION
16.1
Child birth.pdf Locked
16.2
Breast milk and formula milk.pdf Locked
16.3
Female reproductive system.pdf Locked
16.4
Self-Cross pollination.pdf Locked
16.5
Seed germination.pdf Locked
16.6
Germination seed experiment.pdf Locked
16.7
Testosterone.pdf Locked
16.8
Advantages of asexual reproduction.pdf Locked
16.8.2
Asexual reproduction-Bacteria.pdf Locked
16.8.3
Asexual reproduction-advantages.pdf Locked
Asexual reproduction-Bacteria.pdf Locked
16.9
Calculating number of chromosomes.pdf Locked
16.10
Flower-Pollination-Fertilisation.pdf Locked
16.11
Testosterone.pdf Locked
16.12
Development of a foetus.pdf Locked
16.13
Sex hormones-Menstrual cycle.pdf Locked
16.14
Male reproductive syatem-labelling.pdf Locked
16.14.2
Male reproductive system-Labelling.pdf Locked
16.15
Male-female gametes-Difference.pdf Locked
16.16
Fertility drugs-Artificial insemination.pdf Locked
16.17
Mentrual cycle-Ovary.pdf Locked
16.18.1
Sexual reproduction-Advantages.pdf Locked
16.18.2
Sexual reproduction.pdf Locked
16.19
Prostrate gland.pdf Locked
16.20
Birth control hormones.pdf Locked
Untreated HIV infection.pdf Locked
16.21
Sexual intercourse-Condoms-Gonnorhea.pdf Locked
16.25
Parts of a flower-Functions.pdf Locked
16.26
Implications of self pollination.pdf Locked
16.27
Insect-wind pollinated flower-Function.pdf Locked
16.28
Self pollinatiion.pdf Locked
16.28.1
Advantages-Disadvantages-Self pollination.pdf Locked
16.29
Flowers.pdf Locked
16.30
Advantages of cross pollination.pdf Locked
16.31
Pollination.pdf Locked
1611.2
Testosterone-Progesterone.pdf Locked
1619
Sperm cell adaptations.pdf Locked
17-INHERITANCE
17.1
Punit square.pdf Locked
17.1.2
Punit square.pdf Locked
17.2
Codominance.pdf Locked
17.2.1
Codominance-Meaning.pdf Locked
17.3
Codominance-Flowers.pdf Locked
17.4
Meiosis-Sex determination.pdf Locked
17.5
Determining genotypes.pdf Locked
17.6
Inheritance.pdf Locked
18-VARIATION AND SELECTION
18.1
Adaptation of plants.pdf Locked
18.2
Adaptation of deser plants.pdf Locked
Adaptive features.pdf Locked
18.3
Water plant adaptations.pdf Locked
18.4
Sexual reproduction-Variation.pdf Locked
19-ORGANISMS AND THEIR ENVIRONMENT
19.1
Carbon cycle.pdf Locked
19.2.1
Sigmoid curve.pdf Locked
19.2.2
Sigmoid curve.pdf Locked
19.3
Food shortage -Monocultures.pdf Locked
19.4
Nitrogen cycle.pdf Locked
19.5
Water cycle.pdf Locked
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
20
Biotech -Genetic engineering.pdf Locked
Human influences on environment.pdf Locked
20.1
Biological washing powders.pdf Locked
20.2
Biological washing powders.pdf Locked
20.3
Insulin-Genetically engineered bacteria.pdf Locked
20.3.2
Insulin production.pdf Locked
20.3.3
Making Insulin from bacteria.pdf Locked
20.3.4
Biological washing powders.pdf Locked
20.4
Making insulin.pdf Locked
Yoghurt making.pdf Locked
21-HUMAN INFLUENCES ON ECOSYSTEMS
21.1
Leaching-Eutrophication.pdf Locked
21.2
Sewage-Water pollution.pdf Locked
21.3
Untreated garbage.pdf Locked
21.4
Recycling.pdf Locked
21.5
Greenhouses gases-effect.pdf Locked
21.6
Water pollution.pdf Locked
21.7
Persiatent pollutants ill-effects.pdf Locked
21.8
Sewage treatment.pdf Locked
21.9
Ions-Manure-Chemical fertilisers.pdf Locked
21.10
Ecosystems-Conservation.pdf Locked
21.11
Greenhouse gases-Sweage treatment.pdf Locked
21.12
Deforestation.pdf Locked
21.13
Acid rain.pdf Locked
21.14
Deforestation-Soil erosion.pdf Locked
21.15
Pollution.pdf Locked
21.16
Raw sewage in water-Greenhouse gas.pdf Locked
21.17
Treating raw sewage.pdf Locked